bioregion Syllabification: (bi·o·re·gion)Pronunciation: /ˈbīōˌrējən/Definition of bioregion noun a region defined by characteristics of the natural environment rather than by man-made divisions. Derivatives bioregionalPronunciation: /ˌbīōˈrējənl/ adjective bioregion in other Oxford dictionaries Definition of bioregion in the British & World English dictionary
